String methods (Document)

What are the string methods in Java?

• a) Methods for adding numbers

• b) Methods for manipulating strings

• c) Methods for file I/O operations

• d) Methods for mathematical calculations

How to declare string methods in Java?

• a) Using the 'var' keyword

• b) Using single quotes for literals

• c) Using the 'str' keyword

• d) Using double quotes or the 'new' keyword

How many Java string methods are there?

• a) 13 methods and 60 constructors

• b) Over 60 methods and 13 constructors

• c) 30 methods and 20 constructors

• d) 50 methods and 10 constructors

What are the 4 string operations in Java?

• a) add(), remove(), find(), size()

• b) charAt(), equals(), reverse(), append()

• c) length(), toUpperCase(), trim(), replace()

• d) charAt(), equals(), concat(), length()

What are the 3 types of strings in Java?

• a) Primitive, object, class

• b) Alphanumeric, numeric, alphabetic

• c) Integer, double, float

• d) Primitive, object, interface

What's a string method?

• a) A way to convert integers to strings

• b) A function for adding strings

• c) A method for manipulating characters

• d) A method for working with strings

What is string with example?

• a) A sequence of numbers

• b) A sequence of characters

• c) A type of loop in Java

• d) A mathematical expression

How do you declare a string?

• a) string s = "Hello";

• b) str = "Hello";

• c) char s = "Hello";

• d) String s = "Hello";

What is the size of string method Java?

• a) length()

• b) size()

• c) count()

• d) dimensions()

What is string class in Java?

• a) A class for mathematical operations

• b) A class for managing strings in Java

• c) A class for printing to the console

• d) A class for handling exceptions